The product mainly can realize the functions such as WCDMA(HSPA)/GSM OR CDMA 2000 1X EV-DO Rev A, 2G/3G/4G digital voice communication, GPS satellite positioning, tri-axis accelerated velocity sensing, tri-axis gyroscope, audio file play, FM remittance, BT connection, Wi-Fi hotspot and CAN communication. The product is equipped with an independent logic processor, supports several access modes to external signals and can be used to realize E-Call/B-Call, remote vehicle monitoring, remote control, security monitoring and alarm, and remote diagnosis and provide embedded navigation and entertainment devices with 4G wireless broadband channel through the USB, which can realize a multitude of online applications such as Online Entertainment and One Key Navigation. The mobile phone can connect to TCU through Bluetooth or Wi-Fi for an access to the Internet.